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Micro switch malfunction


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What do you want to know? do you want to replace it, by pass it, etc.

Posted on Mar 29, 2014

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Posted on Jan 02, 2017

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Without any options other than wiring in a new external switch or some other hack, I opened the malfunctioning switch. It requires patience to handle the switch internals without having it all "fall apart" but you may notice oxidation (as I did) that can be easily addressed with a little scraping. I am certainly disappointed that I had to fool around with switch internals to keep this lawn tool working but wanted to offer this suggestion to any others who may be frustrated. The trigger switch Ryobi chose is just too fragile for a lawn tool.

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TJ, I've had the same problem since yesterday and I found the solution (lots of googling - that's how I found your post BTW).
It turned out that the switch malfunction is a common problem.

The part number for the FA3-4 switch is:

ut41002a-36 ("switch assembly")

Available here (thru Amazon):

It's a Homelite part, which is identical to Ryobi.

Here is the manual showing it (part 6):

Here is the thread with the solution:


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